| v1.9.3 |
| perf: highly improved speed in kernel space, by @terrelln |
| perf: faster speed with Visual Studio, thanks to @wolfpld and @remittor |
| perf: improved dictionary compression speed, by @felixhandte |
| perf: fixed LZ4_compress_HC_destSize() ratio, detected by @hsiangkao |
| perf: reduced stack usage in high compression mode, by @Yanpas |
| api : LZ4_decompress_safe_partial() supports unknown compressed size, requested by @jfkthame |
| api : improved LZ4F_compressBound() with automatic flushing, by Christopher Harvie |
| api : can (de)compress to/from NULL without UBs |
| api : fix alignment test on 32-bit systems (state initialization) |
| api : fix LZ4_saveDictHC() in corner case scenario, detected by @IgorKorkin |
| cli : `-l` legacy format is now compatible with `-m` multiple files, by Filipe Calasans |
| cli : benchmark mode supports dictionary, by @rkoradi |
| cli : fix --fast with large argument, detected by @picoHz |
| build: link to user-defined memory functions with LZ4_USER_MEMORY_FUNCTIONS, suggested by Yuriy Levchenko |
| build: contrib/cmake_unofficial/ moved to build/cmake/ |
| build: visual/* moved to build/ |
| build: updated meson script, by @neheb |
| build: tinycc support, by Anton Kochkov |
| install: Haiku support, by Jerome Duval |
| doc : updated LZ4 frame format, clarify EndMark |
| |
| v1.9.2 |
| fix : out-of-bound read in exceptional circumstances when using decompress_partial(), by @terrelln |
| fix : slim opportunity for out-of-bound write with compress_fast() with a large enough input and when providing an output smaller than recommended (< LZ4_compressBound(inputSize)), by @terrelln |
| fix : rare data corruption bug with LZ4_compress_destSize(), by @terrelln |
| fix : data corruption bug when Streaming with an Attached Dict in HC Mode, by @felixhandte |
| perf: enable LZ4_FAST_DEC_LOOP on aarch64/GCC by default, by @prekageo |
| perf: improved lz4frame streaming API speed, by @dreambottle |
| perf: speed up lz4hc on slow patterns when using external dictionary, by @terrelln |
| api: better in-place decompression and compression support |
| cli : --list supports multi-frames files, by @gstedman |
| cli: --version outputs to stdout |
| cli : add option --best as an alias of -12 , by @Low-power |
| misc: Integration into oss-fuzz by @cmeister2, expanded list of scenarios by @terrelln |
| |
| v1.9.1 |
| fix : decompression functions were reading a few bytes beyond input size (introduced in v1.9.0, reported by @ppodolsky and @danlark1) |
| api : fix : lz4frame initializers compatibility with c++, reported by @degski |
| cli : added command --list, based on a patch by @gabrielstedman |
| build: improved Windows build, by @JPeterMugaas |
| build: AIX, by Norman Green |
| |
| v1.9.0 |
| perf: large decompression speed improvement on x86/x64 (up to +20%) by @djwatson |
| api : changed : _destSize() compression variants are promoted to stable API |
| api : new : LZ4_initStream(HC), replacing LZ4_resetStream(HC) |
| api : changed : LZ4_resetStream(HC) as recommended reset function, for better performance on small data |
| cli : support custom block sizes, by @blezsan |
| build: source code can be amalgamated, by Bing Xu |
| build: added meson build, by @lzutao |
| build: new build macros : LZ4_DISTANCE_MAX, LZ4_FAST_DEC_LOOP |
| install: MidnightBSD, by @laffer1 |
| install: msys2 on Windows 10, by @vtorri |
| |
| v1.8.3 |
| perf: minor decompression speed improvement (~+2%) with gcc |
| fix : corruption in v1.8.2 at level 9 for files > 64KB under rare conditions (#560) |
| cli : new command --fast, by @jennifermliu |
| cli : fixed elapsed time, and added cpu load indicator (on -vv) (#555) |
| api : LZ4_decompress_safe_partial() now decodes exactly the nb of bytes requested (feature request #566) |
| build : added Haiku target, by @fbrosson, and MidnightBSD, by @laffer1 |
| doc : updated documentation regarding dictionary compression |
| |
| v1.8.2 |
| perf: *much* faster dictionary compression on small files, by @felixhandte |
| perf: improved decompression speed and binary size, by Alexey Tourbin (@svpv) |
| perf: slightly faster HC compression and decompression speed |
| perf: very small compression ratio improvement |
| fix : compression compatible with low memory addresses (< 0xFFFF) |
| fix : decompression segfault when provided with NULL input, by @terrelln |
| cli : new command --favor-decSpeed |
| cli : benchmark mode more accurate for small inputs |
| fullbench : can bench _destSize() variants, by @felixhandte |
| doc : clarified block format parsing restrictions, by Alexey Tourbin (@svpv) |
| |
| v1.8.1 |
| perf : faster and stronger ultra modes (levels 10+) |
| perf : slightly faster compression and decompression speed |
| perf : fix bad degenerative case, reported by @c-morgenstern |
| fix : decompression failed when using a combination of extDict + low memory address (#397), reported and fixed by Julian Scheid (@jscheid) |
| cli : support for dictionary compression (`-D`), by Felix Handte @felixhandte |
| cli : fix : `lz4 -d --rm` preserves timestamp (#441) |
| cli : fix : do not modify /dev/null permission as root, by @aliceatlas |
| api : `_destSize()` variant supported for all compression levels |
| build : `make` and `make test` compatible with `-jX`, reported by @mwgamera |
| build : can control LZ4LIB_VISIBILITY macro, by @mikir |
| install: fix man page directory (#387), reported by Stuart Cardall (@itoffshore) |
| |
| v1.8.0 |
| cli : fix : do not modify /dev/null permissions, reported by @Maokaman1 |
| cli : added GNU separator -- specifying that all following arguments are files |
| API : added LZ4_compress_HC_destSize(), by Oleg (@remittor) |
| API : added LZ4F_resetDecompressionContext() |
| API : lz4frame : negative compression levels trigger fast acceleration, request by Lawrence Chan |
| API : lz4frame : can control block checksum and dictionary ID |
| API : fix : expose obsolete decoding functions, reported by Chen Yufei |
| API : experimental : lz4frame_static : new dictionary compression API |
| build : fix : static lib installation, by Ido Rosen |
| build : dragonFlyBSD, OpenBSD, NetBSD supported |
| build : LZ4_MEMORY_USAGE can be modified at compile time, through external define |
| doc : Updated LZ4 Frame format to v1.6.0, restoring Dictionary-ID field |
| doc : lz4 api manual, by Przemyslaw Skibinski |
| |
| v1.7.5 |
| lz4hc : new high compression mode : levels 10-12 compress more and slower, by Przemyslaw Skibinski |
| lz4cat : fix : works with relative path (#284) and stdin (#285) (reported by @beiDei8z) |
| cli : fix minor notification when using -r recursive mode |
| API : lz4frame : LZ4F_frameBound(0) gives upper bound of *flush() and *End() operations (#290, #280) |
| doc : markdown version of man page, by Takayuki Matsuoka (#279) |
| build : Makefile : fix make -jX lib+exe concurrency (#277) |
| build : cmake : improvements by Michał Górny (#296) |
| |
| v1.7.4.2 |
| fix : Makefile : release build compatible with PIE and customized compilation directives provided through environment variables (#274, reported by Antoine Martin) |
| |
| v1.7.4 |
| Improved : much better speed in -mx32 mode |
| cli : fix : Large file support in 32-bits mode on Mac OS-X |
| fix : compilation on gcc 4.4 (#272), reported by Antoine Martin |
| |
| v1.7.3 |
| Changed : moved to versioning; package, cli and library have same version number |
| Improved: Small decompression speed boost |
| Improved: Small compression speed improvement on 64-bits systems |
| Improved: Small compression ratio and speed improvement on small files |
| Improved: Significant speed boost on ARMv6 and ARMv7 |
| Fix : better ratio on 64-bits big-endian targets |
| Improved cmake build script, by Evan Nemerson |
| New liblz4-dll project, by Przemyslaw Skibinki |
| Makefile: Generates object files (*.o) for faster (re)compilation on low power systems |
| cli : new : --rm and --help commands |
| cli : new : preserved file attributes, by Przemyslaw Skibinki |
| cli : fix : crash on some invalid inputs |
| cli : fix : -t correctly validates lz4-compressed files, by Nick Terrell |
| cli : fix : detects and reports fread() errors, thanks to Hiroshi Fujishima report #243 |
| cli : bench : new : -r recursive mode |
| lz4cat : can cat multiple files in a single command line (#184) |
| Added : doc/lz4_manual.html, by Przemyslaw Skibinski |
| Added : dictionary compression and frame decompression examples, by Nick Terrell |
| Added : Debianization, by Evgeniy Polyakov |
| |
| r131 |
| New : Dos/DJGPP target, thanks to Louis Santillan (#114) |
| Added : Example using lz4frame library, by Zbigniew Jędrzejewski-Szmek (#118) |
| Changed: xxhash symbols are modified (namespace emulation) within liblz4 |
| |
| r130: |
| Fixed : incompatibility sparse mode vs console, reported by Yongwoon Cho (#105) |
| Fixed : LZ4IO exits too early when frame crc not present, reported by Yongwoon Cho (#106) |
| Fixed : incompatibility sparse mode vs append mode, reported by Takayuki Matsuoka (#110) |
| Performance fix : big compression speed boost for clang (+30%) |
| New : cross-version test, by Takayuki Matsuoka |
| |
| r129: |
| Added : LZ4_compress_fast(), LZ4_compress_fast_continue() |
| Added : LZ4_compress_destSize() |
| Changed: New lz4 and lz4hc compression API. Previous function prototypes still supported. |
| Changed: Sparse file support enabled by default |
| New : LZ4 CLI improved performance compressing/decompressing multiple files (#86, kind contribution from Kyle J. Harper & Takayuki Matsuoka) |
| Fixed : GCC 4.9+ optimization bug - Reported by Markus Trippelsdorf, Greg Slazinski & Evan Nemerson |
| Changed: Enums converted to LZ4F_ namespace convention - by Takayuki Matsuoka |
| Added : AppVeyor CI environment, for Visual tests - Suggested by Takayuki Matsuoka |
| Modified:Obsolete functions generate warnings - Suggested by Evan Nemerson, contributed by Takayuki Matsuoka |
| Fixed : Bug #75 (unfinished stream), reported by Yongwoon Cho |
| Updated: Documentation converted to MarkDown format |
| |
| r128: |
| New : lz4cli sparse file support (Requested by Neil Wilson, and contributed by Takayuki Matsuoka) |
| New : command -m, to compress multiple files in a single command (suggested by Kyle J. Harper) |
| Fixed : Restored lz4hc compression ratio (slightly lower since r124) |
| New : lz4 cli supports long commands (suggested by Takayuki Matsuoka) |
| New : lz4frame & lz4cli frame content size support |
| New : lz4frame supports skippable frames, as requested by Sergey Cherepanov |
| Changed: Default "make install" directory is /usr/local, as notified by Ron Johnson |
| New : lz4 cli supports "pass-through" mode, requested by Neil Wilson |
| New : datagen can generate sparse files |
| New : scan-build tests, thanks to kind help by Takayuki Matsuoka |
| New : g++ compatibility tests |
| New : arm cross-compilation test, thanks to kind help by Takayuki Matsuoka |
| Fixed : Fuzzer + frametest compatibility with NetBSD (issue #48, reported by Thomas Klausner) |
| Added : Visual project directory |
| Updated: Man page & Specification |
| |
| r127: |
| N/A : added a file on SVN |
| |
| r126: |
| New : lz4frame API is now integrated into liblz4 |
| Fixed : GCC 4.9 bug on highest performance settings, reported by Greg Slazinski |
| Fixed : bug within LZ4 HC streaming mode, reported by James Boyle |
| Fixed : older compiler don't like nameless unions, reported by Cheyi Lin |
| Changed : lz4 is C90 compatible |
| Changed : added -pedantic option, fixed a few mminor warnings |
| |
| r125: |
| Changed : endian and alignment code |
| Changed : directory structure : new "lib" directory |
| Updated : lz4io, now uses lz4frame |
| Improved: slightly improved decoding speed |
| Fixed : LZ4_compress_limitedOutput(); Special thanks to Christopher Speller ! |
| Fixed : some alignment warnings under clang |
| Fixed : deprecated function LZ4_slideInputBufferHC() |
| |
| r124: |
| New : LZ4 HC streaming mode |
| Fixed : LZ4F_compressBound() using null preferencesPtr |
| Updated : xxHash to r38 |
| Updated library number, to 1.4.0 |
| |
| r123: |
| Added : experimental lz4frame API, thanks to Takayuki Matsuoka and Christopher Jackson for testings |
| Fix : s390x support, thanks to Nobuhiro Iwamatsu |
| Fix : test mode (-t) no longer requires confirmation, thanks to Thary Nguyen |
| |
| r122: |
| Fix : AIX & AIX64 support (SamG) |
| Fix : mips 64-bits support (lew van) |
| Added : Examples directory, using code examples from Takayuki Matsuoka |
| Updated : Framing specification, to v1.4.1 |
| Updated : xxHash, to r36 |
| |
| r121: |
| Added : Makefile : install for kFreeBSD and Hurd (Nobuhiro Iwamatsu) |
| Fix : Makefile : install for OS-X and BSD, thanks to Takayuki Matsuoka |
| |
| r120: |
| Modified : Streaming API, using strong types |
| Added : LZ4_versionNumber(), thanks to Takayuki Matsuoka |
| Fix : OS-X : library install name, thanks to Clemens Lang |
| Updated : Makefile : synchronize library version number with lz4.h, thanks to Takayuki Matsuoka |
| Updated : Makefile : stricter compilation flags |
| Added : pkg-config, thanks to Zbigniew Jędrzejewski-Szmek (issue 135) |
| Makefile : lz4-test only test native binaries, as suggested by Michał Górny (issue 136) |
| Updated : xxHash to r35 |
| |
| r119: |
| Fix : Issue 134 : extended malicious address space overflow in 32-bits mode for some specific configurations |
| |
| r118: |
| New : LZ4 Streaming API (Fast version), special thanks to Takayuki Matsuoka |
| New : datagen : parametrable synthetic data generator for tests |
| Improved : fuzzer, support more test cases, more parameters, ability to jump to specific test |
| fix : support ppc64le platform (issue 131) |
| fix : Issue 52 (malicious address space overflow in 32-bits mode when using large custom format) |
| fix : Makefile : minor issue 130 : header files permissions |
| |
| r117: |
| Added : man pages for lz4c and lz4cat |
| Added : automated tests on Travis, thanks to Takayuki Matsuoka ! |
| fix : block-dependency command line (issue 127) |
| fix : lz4fullbench (issue 128) |
| |
| r116: |
| hotfix (issue 124 & 125) |
| |
| r115: |
| Added : lz4cat utility, installed on POSX systems (issue 118) |
| OS-X compatible compilation of dynamic library (issue 115) |
| |
| r114: |
| Makefile : library correctly compiled with -O3 switch (issue 114) |
| Makefile : library compilation compatible with clang |
| Makefile : library is versioned and linked (issue 119) |
| lz4.h : no more static inline prototypes (issue 116) |
| man : improved header/footer (issue 111) |
| Makefile : Use system default $(CC) & $(MAKE) variables (issue 112) |
| xxhash : updated to r34 |
| |
| r113: |
| Large decompression speed improvement for GCC 32-bits. Thanks to Valery Croizier ! |
| LZ4HC : Compression Level is now a programmable parameter (CLI from 4 to 9) |
| Separated IO routines from command line (lz4io.c) |
| Version number into lz4.h (suggested by Francesc Alted) |
| |
| r112: |
| quickfix |
| |
| r111 : |
| Makefile : added capability to install libraries |
| Modified Directory tree, to better separate libraries from programs. |
| |
| r110 : |
| lz4 & lz4hc : added capability to allocate state & stream state with custom allocator (issue 99) |
| fuzzer & fullbench : updated to test new functions |
| man : documented -l command (Legacy format, for Linux kernel compression) (issue 102) |
| cmake : improved version by Mika Attila, building programs and libraries (issue 100) |
| xxHash : updated to r33 |
| Makefile : clean also delete local package .tar.gz |
| |
| r109 : |
| lz4.c : corrected issue 98 (LZ4_compress_limitedOutput()) |
| Makefile : can specify version number from makefile |
| |
| r108 : |
| lz4.c : corrected compression efficiency issue 97 in 64-bits chained mode (-BD) for streams > 4 GB (thanks Roman Strashkin for reporting) |
| |
| r107 : |
| Makefile : support DESTDIR for staged installs. Thanks Jorge Aparicio. |
| Makefile : make install installs both lz4 and lz4c (Jorge Aparicio) |
| Makefile : removed -Wno-implicit-declaration compilation switch |
| lz4cli.c : include <stduni.h> for isatty() (Luca Barbato) |
| lz4.h : introduced LZ4_MAX_INPUT_SIZE constant (Shay Green) |
| lz4.h : LZ4_compressBound() : unified macro and inline definitions (Shay Green) |
| lz4.h : LZ4_decompressSafe_partial() : clarify comments (Shay Green) |
| lz4.c : LZ4_compress() verify input size condition (Shay Green) |
| bench.c : corrected a bug in free memory size evaluation |
| cmake : install into bin/ directory (Richard Yao) |
| cmake : check for just C compiler (Elan Ruusamae) |
| |
| r106 : |
| Makefile : make dist modify text files in the package to respect Unix EoL convention |
| lz4cli.c : corrected small display bug in HC mode |
| |
| r105 : |
| Makefile : New install script and man page, contributed by Prasad Pandit |
| lz4cli.c : Minor modifications, for easier extensibility |
| COPYING : added license file |
| LZ4_Streaming_Format.odt : modified file name to remove white space characters |
| Makefile : .exe suffix now properly added only for Windows target |
